| import unittest |
|
|
| from django.db import NotSupportedError, connection |
| from django.db.models import CharField |
| from django.db.models.functions import SHA224 |
| from django.test import TestCase |
| from django.test.utils import register_lookup |
|
|
| from ..models import Author |
|
|
|
|
| class SHA224Tests(TestCase): |
| @classmethod |
| def setUpTestData(cls): |
| Author.objects.bulk_create( |
| [ |
| Author(alias="John Smith"), |
| Author(alias="Jordan Élena"), |
| Author(alias="皇帝"), |
| Author(alias=""), |
| Author(alias=None), |
| ] |
| ) |
|
|
| def test_basic(self): |
| authors = ( |
| Author.objects.annotate( |
| sha224_alias=SHA224("alias"), |
| ) |
| .values_list("sha224_alias", flat=True) |
| .order_by("pk") |
| ) |
| self.assertSequenceEqual( |
| authors, |
| [ |
| "a61303c220731168452cb6acf3759438b1523e768f464e3704e12f70", |
| "2297904883e78183cb118fc3dc21a610d60daada7b6ebdbc85139f4d", |
| "eba942746e5855121d9d8f79e27dfdebed81adc85b6bf41591203080", |
| "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f", |
| "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f" |
| if connection.features.interprets_empty_strings_as_nulls |
| else None, |
| ], |
| ) |
|
|
| def test_transform(self): |
| with register_lookup(CharField, SHA224): |
| authors = Author.objects.filter( |
| alias__sha224=( |
| "a61303c220731168452cb6acf3759438b1523e768f464e3704e12f70" |
| ), |
| ).values_list("alias", flat=True) |
| self.assertSequenceEqual(authors, ["John Smith"]) |
|
|
| @unittest.skipUnless( |
| connection.vendor == "oracle", "Oracle doesn't support SHA224." |
| ) |
| def test_unsupported(self): |
| msg = "SHA224 is not supported on Oracle." |
| with self.assertRaisesMessage(NotSupportedError, msg): |
| Author.objects.annotate(sha224_alias=SHA224("alias")).first() |
|
|
